CN214106206U

CN214106206U - Single gas concentration control device based on closed environment

Info

Publication number: CN214106206U
Application number: CN202022971123.3U
Authority: CN
Inventors: 张玉乾; 牛嵩云; 付永江; 刘法鑫; 吴惠然; 宗宝超; 孙建兴
Original assignee: China Shipbuilding Human Factors Engineering Research Institute Qingdao Co ltd
Current assignee: China Shipbuilding Human Factors Engineering Research Institute Qingdao Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-09-03
Anticipated expiration: 2030-12-10

Abstract

The utility model belongs to the technical field of gas concentration control device technique and specifically relates to a single gas concentration control device based on airtight environment, including gas holder, lid, recess, filter screen, rubber banding and airtight chamber, gas holder right side fixedly connected with pipeline, pipeline right side fixedly connected with filter, the first dead lever of filter below fixedly connected with, the end of first dead lever rotates and is connected with the head rod, the end of head rod rotates and is connected with the second connecting rod, filter below fixedly connected with second dead lever, the utility model discloses in, the seal of airtight chamber has been strengthened greatly to the block of rubber banding and lid, has improved the security of device, to complicated controlling means in the past, high cost, and the spending has not only been practiced thrift to this device, and is more succinct simultaneously, changes the operation.

Description

Single gas concentration control device based on closed environment

Technical Field

The utility model relates to a gas concentration control device technical field specifically is single gas concentration control device based on airtight environment.

Background

The closed space with special purposes is widely used for scientific experiments and production, can provide controllable conditions which are not easy to realize in natural environment, is particularly important for gas flowing in the closed space, and has wider and wider application range along with the improvement of living standard and the economic development in industrial production and daily life.

However, in recent years, accidents such as combustible gas explosion, leakage suffocation and the like are rare, and the reasons are mainly that no effective sensor is provided for monitoring and timely controlling the concentration of gas in a closed space, and the gas concentration control device is expensive and complicated at present, so that a single gas concentration control device based on a closed environment is provided for the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single gas concentration controlling means based on airtight environment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the single gas concentration control device based on the closed environment comprises a gas storage tank, a cover, a groove, a filter screen, a gas concentration sensor, a rubber strip and a closed chamber, wherein a pipeline is fixedly connected to the right side of the gas storage tank, a filter is fixedly connected to the right side of the pipeline, a first fixing rod is fixedly connected to the lower side of the filter, a first connecting rod is rotatably connected to the tail end of the first fixing rod, a second connecting rod is rotatably connected to the tail end of the first connecting rod, a second fixing rod is fixedly connected to the lower side of the filter, a first spring is fixedly connected to the left side of the top end of the second fixing rod, a third fixing rod is fixedly connected to the left side of the tail end of the second fixing rod, a third connecting rod is rotatably connected to the left side of the cover, a fourth connecting rod is rotatably connected to the tail end of the third connecting rod, a second spring is fixedly connected to the right end face of the inner side of the groove, and a first fixing block is fixedly connected to the left side of the second spring, the inner side lower end face of the groove is fixedly connected with a third spring, and the top end of the third spring is fixedly connected with a fourth fixing rod.

Preferably, the gas concentration sensor is fixedly connected to a lower end surface of the inside of the closed chamber.

Preferably, a pressure controller is fixedly connected to the right side of the pipeline, and a pipeline is fixedly connected to the right side of the pressure controller.

Preferably, the filter screen is fixedly connected to the middle position inside the filter.

Preferably, the rubber strip is fixedly connected to the left side of the closed chamber and is clamped with the cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, can filter gas through the filter that sets up, guarantee to get into the airtight chamber only one kind of gas, the quick detachable device of filter screen makes the filter screen can dismantle the clearance more easily, simultaneously, pressure controller can make gas get into the airtight chamber from the gas holder under the effect of pressure, gas concentration in this control airtight chamber, to complicated controlling means in the past, high cost, this device has not only practiced thrift the spending, and is more succinct simultaneously, changes the operation;

2. the utility model discloses in, can avoid gas leakage to lead to a series of accidents when changing the filter screen through the valve that sets up, airtight indoor gaseous concentration sensor can in time detect airtight indoor concentration simultaneously, can in time be to airtight indoor make-up gas, the seal of airtight room has been strengthened greatly to the block of rubber banding and lid to and the reinforcing apparatus of lid has increased the degree of closeness of lid, prevents that airtight indoor gas from leaking, has improved the security of device.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1-pipeline, 2-gas storage tank, 3-pressure controller, 4-filter, 5-filter screen, 6-groove, 7-valve, 8-third connecting rod, 9-gas concentration sensor, 10-sealed chamber, 11-first fixing rod, 12-second fixing block, 13-first connecting rod, 14-second connecting rod, 15-third fixing rod, 16-second fixing rod, 17-first spring, 18-fourth connecting rod, 19-first fixing block, 20-fourth fixing rod, 21-third spring, 22-second spring, 23-rubber strip and 24-cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a single gas concentration control device based on a closed environment comprises a gas storage tank 2, a cover 24, a groove 6, a filter screen 5, a gas concentration sensor 9, a rubber strip 23 and a closed chamber 10, wherein the right side of the gas storage tank 2 is fixedly connected with a pipeline 1, the right side of the pipeline 1 is fixedly connected with a filter 4, a first fixing rod 11 is fixedly connected below the filter 4, the tail end of the first fixing rod 11 is rotatably connected with a first connecting rod 13, the tail end of the first connecting rod 13 is rotatably connected with a second connecting rod 14, the lower side of the filter 4 is fixedly connected with a second fixing rod 16, the left side of the top end of the second fixing rod 16 is fixedly connected with a first spring 17, the left side of the tail end of the second fixing rod 16 is fixedly connected with a third fixing rod 15, the left side of the cover 24 is rotatably connected with a third connecting rod 8, the tail end of the third connecting rod 8 is rotatably connected with a fourth connecting rod 18, and the right end surface of the inner side of the groove 6 is fixedly connected with a second spring 22, the left side of the second spring 22 is fixedly connected with a first fixing block 19, the inner lower end face of the groove 6 is fixedly connected with a third spring 21, and the top end of the third spring 21 is fixedly connected with a fourth fixing rod 20.

The gas concentration sensor 9 is fixedly connected with the gas concentration sensor 9 on the lower end surface in the closed chamber 10, so that the concentration of the gas in the closed chamber 10 can be monitored in real time, the pressure controller 3 is controlled to convey the gas in time, and the concentration of the gas is kept in a controllable range; the pressure controller 3 is fixedly connected to the right side of the pipeline 1, the pipeline 1 is fixedly connected to the right side of the pressure controller 3, and the pressure controller 3 enables the conveying and control of gas to be simpler and improves the practicability of the device; the filter screen 5 is fixedly connected to the middle position in the filter 4, and the filter screen is easier to disassemble and clean due to the easy-to-disassemble device below the filter screen, so that a large amount of labor and time are saved; rubber banding 23 fixed connection is in the airtight chamber 10 left side, and with lid 24 block, and the reinforcing apparatus of lid has strengthened the degree of closeness of lid greatly simultaneously, has prevented leaking of gaseous, has avoided accident, has improved the security of device.

The working process is as follows: when the gas filter is used, the pressure controller 3 is opened, gas in the gas storage tank 2 enters the pipeline 1, the gas passes through the filter 4, the filter screen 5 in the filter 4 filters the gas, impurities in the gas are filtered out, only one gas enters the sealed chamber 10, the filtered gas enters the sealed chamber 10, the gas concentration sensor 9 monitors the gas in the sealed chamber 10 in real time in the sealed chamber 10, when the filter screen 5 needs to be replaced, the second connecting rod 14 is taken down from the third fixing rod 15, the second fixing block 12 is pushed rightwards, the filter screen 5 is taken out for cleaning or replacement, when the cover 24 needs to be opened, the fourth fixing rod 20 is moved downwards, the first fixing block 19 pushes the fourth connecting rod 18 to move leftwards under the elastic action of the second spring 22 until the fourth connecting rod 18 moves out of the groove 6, the cover 24 can be opened, when the cover 24 needs to be closed, the fourth connecting rod 18 is inserted into the groove 6, the first fixing block 19 moves backwards, the fourth fixing rod 20 moves upwards to be clamped with the fourth connecting rod 18, and the cover 24 is fixed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Single gas concentration controlling means based on airtight environment, including gas holder (2), lid (24), recess (6), filter screen (5), gas concentration sensor (9), rubber banding (23) and sealed room (10), its characterized in that: the right side of the gas storage tank (2) is fixedly connected with a pipeline (1), the right side of the pipeline (1) is fixedly connected with a filter (4), a first fixing rod (11) is fixedly connected below the filter (4), the tail end of the first fixing rod (11) is rotatably connected with a first connecting rod (13), the tail end of the first connecting rod (13) is rotatably connected with a second connecting rod (14), a second fixing rod (16) is fixedly connected below the filter (4), the left side of the top end of the second fixing rod (16) is fixedly connected with a first spring (17), the left side of the tail end of the second fixing rod (16) is fixedly connected with a third fixing rod (15), the left side of the cover (24) is rotatably connected with a third connecting rod (8), the tail end of the third connecting rod (8) is rotatably connected with a fourth connecting rod (18), and the right end face of the inner side of the groove (6) is fixedly connected with a second spring (22), the first fixed block (19) of second spring (22) left side fixedly connected with, terminal surface fixedly connected with third spring (21) under recess (6) inboard, third spring (21) top fixedly connected with fourth dead lever (20).

2. The closed environment-based single gas concentration control device according to claim 1, wherein: and the gas concentration sensor (9) is fixedly connected to the lower end face of the inner part of the closed chamber (10).

3. The closed environment-based single gas concentration control device according to claim 1, wherein: the right side of the pipeline (1) is fixedly connected with a pressure controller (3), and the right side of the pressure controller (3) is fixedly connected with the pipeline (1).

4. The closed environment-based single gas concentration control device according to claim 1, wherein: the filter screen (5) is fixedly connected to the middle position inside the filter (4).

5. The closed environment-based single gas concentration control device according to claim 1, wherein: the rubber strip (23) is fixedly connected to the left side of the closed chamber (10) and is clamped with the cover (24).